期刊
JOURNAL OF CHEMICAL THEORY AND COMPUTATION
卷 8, 期 7, 页码 2352-2358出版社
AMER CHEMICAL SOC
DOI: 10.1021/ct300303s
关键词
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资金
- Max Planck Society
- Ramon Areces Foundation
Semiempirical OM2/MRCI surface-hopping simulations have been performed to study the trans-to-cis photoisomerization of azobenzene upon excitation to the S-1 state. The decay dynamics to the ground state shows an oscillatory pattern that can be attributed to an out-of-plane rotation of the N-2 moiety. The reaction is thus initially driven by N-2 rotation which triggers phenyl rotations around the C-N bonds. The cis isomer is produced most effectively when the phenyl rings rotate in phase. Mode-specific excitations cause variations in the computed decay times and product yields.
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